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transamchic 03-24-2003 06:23 AM

what should i do to my 86 Transam?
:p I have a 86 Transam and i was wonderin what i should do to it I am getting the exhaust done tommorow and i am not sure what i should do? 3 inch tru dual? not sure give me some ideas pleaze! Any other ideas are welcome u can check her out on the pics are kinda bad but im gettin new ones up! later

JUS10 03-24-2003 01:36 PM

unless you plan on doin any engine mods i wouldn't go 3 inch,, with a pipe that big your exhaust gases just float around instead of being forced out. my truck has got 2 1/2" strait pipes and before i put the big ol air filter on and openend the hood scoop, it seemed rather sluggish... my suggestion is to run 2 1\2" dual if you don't want to do alot.. and 3" if your gonna put an air intake sys on it... i rebuilt a 78 firebird formula a couple years ago during my grade 8 summer, so if ya got any questions, please ask

Mav 03-24-2003 01:56 PM

I put 3" Pipes under my galaxie and i really didnt see and performance difference, I used thrush mufflers and exept for that annoying monotone at about 2 grand everything worked out for the better ... Boy she sounds good now !!

Mirror Image 03-27-2003 06:57 PM

3 inch duals are good for high RPMs with a lot of mods. But if you have a stock motor I would stay with 2 1/2 inch duals.

M&M CUSTOM 03-29-2003 10:34 AM

My calculations say dual 2.25"
My truck has dual 3" but is running a 500 inch big block.

Kevin45 03-29-2003 12:57 PM

All vehicles need a certain amount of back pressure to run at their optimum. I would stick to around 2 1/4 to 2 1/2" pipes with a set of good quality mufflers. Over exhaust and you will end up with a sluggish ride.


JUS10 04-01-2003 01:40 PM

jeez,, it took 4 guys to say exactly what i said... just kidding fellas.
ya know what else works tho guys,, get a well tuned set of hedders, and put a small kink at the bottom on the straight pipe,, and the pressure will shoot that exhaust out much faster allowing for more air flow... we used to do it to our bikes and field cars all the time as kids.

transamchic 04-03-2003 07:31 AM

Thanx guys for your help! I ended up gettin 2 1/2" Duals Flowmaster its sexy! lol and runs nice! I still want it louder any ideas in that? please let me know if you do! :)

chevracing2003 04-03-2003 08:10 AM

Hello.If you want noise go with a Flowmaster 40 series. If thats to loud then go with a Flowmaster 40 Series Delta Flow. The first one has a lot of interior sound and very aggressive sounding.The second one has less interior sound but still agressive sounding. For sound clips of each muffler go to Flowmaster Mufflers

chevracing2003 04-03-2003 08:11 AM

Sorry about the 2 links. Use the second one.

JUS10 04-08-2003 01:15 PM

if ya want it louder,,, put some subs in the sucker... just kidding,, yeah go with the flow master,, or put some thrush tubes underneath it... i run 2 foot ones under my truck and it makes the windows rattle

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